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https://issues.apache.org/jira/browse/SOLR-7864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16015923#comment-16015923
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Russell Black edited comment on SOLR-7864 at 5/18/17 3:22 PM:
--------------------------------------------------------------

[~gilo], it includes the same fix you posted in your patch, plus two other 
related fixes in different spots in the code.  Hopefully there is some interest 
in getting this patch into the code base.  From the looks of it, this bug has 
been happening for a long time.  We have been running this patch in our 6.2 
solr cloud for about a week now with good results.


was (Author: rblack):
[~gilo], it includes the same fix you posted in you patch, plus two other 
related fixes in different spots in the code.  Hopefully there is some interest 
in getting this patch into the code base.  From the looks of it, this bug has 
been happening for a long time.  We have been running this patch in our 6.2 
solr cloud for about a week now with good results.

> timeAllowed causing ClassCastException
> --------------------------------------
>
>                 Key: SOLR-7864
>                 URL: https://issues.apache.org/jira/browse/SOLR-7864
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 5.2
>            Reporter: Markus Jelsma
>             Fix For: 5.5, 6.0
>
>         Attachments: SOLR-7864.patch
>
>
> If timeAllowed kicks in, following exception is thrown and user gets HTTP 500.
> {code}
> 65219 [qtp2096057945-19] ERROR org.apache.solr.servlet.SolrDispatchFilter  [  
>  search] – null:java.lang.ClassCastException: 
> org.apache.solr.response.ResultContext cannot be cast to 
> org.apache.solr.common.SolrDocumentList
>         at 
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:275)
>         at 
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:143)
>         at org.apache.solr.core.SolrCore.execute(SolrCore.java:2064)
>         at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:654)
>         at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:450)
>         at 
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:227)
>         at 
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:196)
>         at 
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
>         at 
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
>         at 
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
>         at 
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
>         at 
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
>         at 
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
>         at 
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
>         at 
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
>         at 
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
>         at 
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
>         at 
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
>         at 
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
>         at 
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
>         at org.eclipse.jetty.server.Server.handle(Server.java:497)
>         at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
>         at 
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
>         at 
> org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
>         at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
>         at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
>         at java.lang.Thread.run(Thread.java:745)
> {code}



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